{"id":122017,"date":"2025-02-20T14:22:23","date_gmt":"2025-02-20T12:22:23","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/zstandard-1-5-7"},"modified":"2025-02-20T14:22:23","modified_gmt":"2025-02-20T12:22:23","slug":"zstandard-1-5-7","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/novosti-interneta\/zstandard-1-5-7","title":{"rendered":"Zstandard 1.5.7","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Dopo 11 mesi di sviluppo e oltre 500 commit, \u00e8 stata rilasciata la versione 1.5.7 della veloce libreria di compressione dati e dell'utility da console Zstandard, scritte in linguaggio C e distribuite sotto le licenze BSD e GNU GPL 2.<\/p>\n<p>Questo \u00e8 un rilascio significativo con miglioramenti nelle prestazioni, stabilit\u00e0 e funzionalit\u00e0, particolarmente raccomandato per gli utenti di sistemi a 32 bit.<\/p>\n<p>Principali modifiche:<\/p>\n<ul>\n<li>Risolto un problema storico e molto raro di compressione in modalit\u00e0 a 32 bit che poteva verificarsi durante sessioni prolungate (lo stesso ZSTD_CCtx* riutilizzato continuamente).<\/li>\n<li>Aumento significativo della velocit\u00e0 di compressione (fino al +30%) per dati di piccole dimensioni.<\/li>\n<li>Migliorata la velocit\u00e0 di compressione (~+5%) con dizionario a livelli di compressione bassi.<\/li>\n<li>Maggiore velocit\u00e0 per il team \u2014patch-from con alti livelli di compressione, migliorando il rapporto di compressione.<\/li>\n<li>Migliorato il rapporto di compressione a tutti i livelli grazie a una migliore definizione dei confini dei blocchi.<\/li>\n<li>Il rilevamento delle istruzioni CPU bmi2 in fase di esecuzione ora funziona anche in modalit\u00e0 a 32 bit x86.<\/li>\n<li>Utilizzo della multithreading nell'utility da console per impostazione predefinita.<\/li>\n<li>\u00c8 stato aggiunto un nuovo comando alla console \u2014max, che cerca di garantire il miglior possibile rapporto di compressione, portando tutti i parametri al loro valore massimo.<\/li>\n<li>\u00c8 stato aggiunto un nuovo metodo API ZSTD_compressSequencesAndLiterals().<\/li>\n<li>La funzione ZSTD_getFrameHeader() ora funziona anche con i frame saltati.<\/li>\n<li>Sono stati effettuati ulteriori miglioramenti e correzioni di bug.<\/li>\n<\/ul>\n<p>Fonte: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.linux.org.ru\/news\/opensource\/17890558\">linux.org.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 11 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0438 \u0441\u0432\u044b\u0448\u0435 500 \u043a\u043e\u043c\u043c\u0438\u0442\u043e\u0432 \u0441\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u0432\u044b\u043f\u0443\u0441\u043a 1.5.7 \u0431\u044b\u0441\u0442\u0440\u043e\u0439 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[&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-122017","post","type-post","status-publish","format-standard","hentry","category-novosti-interneta"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u043e\u0441\u043b\u0435 11 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0438 \u0441\u0432\u044b\u0448\u0435 500 \u043a\u043e\u043c\u043c\u0438\u0442\u043e\u0432 \u0441\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u0432\u044b\u043f\u0443\u0441\u043a 1.5.7 \u0431\u044b\u0441\u0442\u0440\u043e\u0439 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 \u0441\u0436\u0430\u0442\u0438\u044f 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